城市热力网设计规范（英文版）
英文名称： Design code of district heating network
替代情况： 替代CJJ 34-1990
中标分类： 工程建设>>供热、供气、空调及制冷工程>>P46供热、采暖工程
发布部门： 中华人民共和国建设部
发布日期： 2002-09-25
实施日期： 2003-01-01
起草单位： 北京市煤气热力工程设计院
起草人： 尹光宇、段洁仪、冯继蓓、何方渝等
页数： 77页
出版社： 中国建筑工业出版社
出版日期： 2003-01-01
为节约能源，保护环境，促进生产，改善人民生活，发展我国城市集中供热事业，提高集中供热工程设计水平，制定本规范。
本规范适用于供热热水介质设计压力小于或等于2.5MPa，设计温度小于或等于200℃。
Contents
1. General
2. Terms and Symbols
2.1 Terms
2.2 Symbols
3. Heat Consumption
3.1 Heat load
3.2 Annual heat consumption
4. Heat Supply Media
4.1 Selection of heat supply media
4.2 Parameters of heat supply media
4.3 Water quality criteria
5. Type of Heat Supply Network
6. Heat Supply Regulation
7. Hydraulic Calculation
7.1 Design flow
7.2 Hydraulic calculation
7.3 Parameters in hydraulic calculation
7.4 Pressure working condition
7.5 Selection of water pump
8. Pipe Network Arrangements and Laying
8.1 Pipe network arrangement
8.2 Laying of pipeline
8.3 Pipeline material and joint
8.4 Thermal compensation
8.5 Accessories and facilities
9. Stress and Acting force Calculation of Pipelines
10. Booster Pumping Station and Heating station
10.1 General rules
10.2 Booster pumping station
10.3 Heating station with hot water heating network
10.4 Steam heating network and stations
11. Thermal Insulation and Anti-corrosion Coating
11.1 General rules
11.2 Insulation calculation
11.3 Insulation structure
11.4 Anticorrosion coating
12. Power Supply/Distribution and Lighting
12.1 General rules
12.2 Power supply and distribution
12.3 Lighting
13. Heat Engineering Detection and Control
13.1 General rules
13.2 Parameter detection and control of heat source and heating network
13.3 Parameter detection and control of relay pump station
13.4 Parameter detection and control of heating station
13.5 Heating network dispatching automation
Explanation of Wording in this Code
1. General
1.0.1 This code is formulated with a view to save energy, protect environment, promote production, improve people's lives, develop district heating services of China and improve the level of engineering design.
1.0.2 This Code is applicable to the design of the following heat network with heating hot water in design pressure of less than or equal to 2.5MPa and in design temperature of less than or equal to 200℃; or heating steam in design pressure of less than or equal to 1.6MPa and in design temperature of less than or equal to 350℃:
1 The district heating network managed by heating enterprises, based on heat source of heat power plant or district boiler room, which is heating for multiple users and connecting from the heat source to the heating station;
2 The process system design of newly-build, extended or reconstructed pipeline, booster pump station and heating station of district heating network
1.0.3 The district heating network design shall comply with the requirements of urban planning, so that state-of-art technology, economic feasibility and safe application may be accomplished, and the esthetic appearance therein shall be noticed.
1.0.4 When designing district heating network in the earthquake, collapsible loess and expansive soil regions, not only shall this Code be carried out, but also shall current "Code for Seismic Design of Outdoor Water Supply Sewerage Gas and Heating Engineering" TJ 32, "Specifications for the Design of Construction in Wet and Depressive Loess Areas" GBJ 25, "Technical Specifications for Construction Ground in Expanding Soil Areas" GBJ 112 and relevant national compulsive standards be met.
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